Ethylphenyldichlorosilane

Pharmaceutical Materials 2025-03-02

CAS Number: 1125-27-5

Molecular Formula: C8H10Cl2Si

Molecular Weight: 205.16 g/mol

Appearance: Colorless liquid

Density: 1.1±0.1 g/cm³

Boiling Point: 225.3±9.0 °C

Flash Point: 85.5±14.3 °C

Usage: Used as a chemical intermediate.

 

Aspect Details
Name Ethylphenyldichlorosilane
CAS No. 1125-27-5
Molecular Formula C₈H₁₀Cl₂Si
Molecular Weight 205.17 g/mol
Physical Properties
  • Appearance: Colorless liquid
  • Density: 1.12 g/cm³
  • Boiling Point: 225.3°C (760 mmHg)
  • Flash Point: 85.5°C
  • Vapor Pressure: 0.13 mmHg at 25°C
  • Solubility: Insoluble in water; soluble in organic solvents
Chemical Properties Highly reactive with moisture, water, and protic solvents, releasing toxic hydrogen chloride gas. Combustible; emits toxic HCl and phenol gases when exposed to fire.
Applications Primarily used as a pharmaceutical intermediate and in the synthesis of organic silicon compounds. It also serves as a sealing agent in certain industrial applications.
Safety Information
  • Classified as a corrosive (UN 2435. Class 8).
  • Toxic (low toxicity); inhalation or skin contact may cause severe irritation or burns.
  • Storage: Keep in a cool, dry, and well-ventilated area, separated from acids, oxidizers, and bases.
  • Emergency Response: Use dry powder or CO₂ fire extinguishers; avoid water or foam.

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